Tag: Distributed Firewall
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Troubleshooting NSX 9 DFW and Security Policy: Applied-To, Realized Rules and the Default-Rule Trap (NSX Series, Part 30)
The most common DFW outage is a published rule with the wrong Applied-To. Here is how to see what is really realized on a vNIC, why a rule visible in the UI may not be applied, the default-rule trap, and the symptom-to-fix path. The NSX Series finale.
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NSX 9 Distributed Firewall Fundamentals: Categories, Applied-To and Zero Trust (NSX Series, Part 12)
The Distributed Firewall puts stateful enforcement at every vNIC. Rule categories and order, the anatomy of a rule, why Applied-To matters most, and the zero-trust pivot.
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Bringing Existing vSAN and NSX Under VCF 9: The Brownfield Import Requirements (VCF 9 Series, Part 14)
The VCF 9 import workflow brings an existing vCenter, vSAN and NSX in as a workload domain, but it switches on the Distributed Firewall and trips over ELM, standard switches and baselines. Here is what actually breaks in the field and how to get ahead of it.
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NSX in VCF 9 Explained: Transit Gateways, VPCs and the Distributed Firewall (VCF 9 Series, Part 10)
NSX in VCF 9 keeps Tier-0 and Tier-1 but puts a cloud-style VPC model in front: NSX projects, one Transit Gateway each, distributed routing with no Edge VMs, and the DFW.
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About the Author
Dr Pranay Jha
Dr. Pranay Jha is a Cloud and AI Consultant with 18+ years of experience in hybrid cloud, virtualization, and enterprise infrastructure transformation. He specializes in VMware technologies, multi-cloud strategy, and Generative AI solutions. He holds a PhD in Computer Applications with research focused on Cloud and AI, has published multiple research papers, and has been a VMware vExpert since 2016 and a VMUG Community Leader.
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